Category: <b>BIOS</b>
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<pre><b>INT 15 - SYSTEM - ENABLE/DISABLE WATCHDOG TIMEOUT (PS50+)</b>

	AH = C3h
	AL = function
	    00h disable PS/2 watchdog timer
	    01h enable PS/2 watchdog timer
		BX = timer counter (0001h-00FFh)
	    02h disable Gearbox system
	    03h enable Gearbox system
Return: CF set on error
	CF clear if successful
Note:	the watchdog timer generates an NMI
SeeAlso: INT 21/AH=2Bh/CX=6269h"WDTSR"
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